Kilograms represented by the mass defect for thorium-234 = 3.09 × 10-27 kg What is the nuclear binding energy for thorium-234?

2.78 × 10-10 J

3.36 × 10-14 J

1.67 × 1017 J

5.35 x 10-23 J

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

What’s the percent by mass of carbon in c10h14n2

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.